{"id":2378656,"slug":"sn-1991ag","name":"SN 1991ag","domain":"deep-sky","class":"transient","otype":"SN*","otype_label":"Supernova","ra":300.03587500000003,"dec":-55.36752777777778,"coo_err_mas":1000.0,"coo_bibcode":"1991IAUC.5334....1M","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":4167.718,"redshift":0.014,"dist_pc":null,"vmag":14.39,"bmag":14.67,"gmag":null,"jmag":null,"kmag":null,"sp_type":"SNIa","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":61,"simbad_oid":3449934,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-10-07T14:10:51.883909+00:00","views":19,"first_seen":"2026-08-14T16:51:23.133425+00:00","updated_at":"2026-08-14T16:51:23.133425+00:00","identifiers":["SN 1991ag"],"measurements":[{"parameter":"magnitude","value":14.67,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":"V","source":"simbad","reference":"2008yCat.2283....0B","ref_year":2008},{"parameter":"magnitude","value":14.39,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"V","method":null,"source":"simbad","reference":null,"ref_year":null},{"parameter":"sed_flux","value":0.000856,"value_text":null,"unit":"Jy","err_plus":0.000348,"err_minus":0.000348,"band":"POSS-II:F","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"sed_flux","value":0.00923,"value_text":null,"unit":"Jy","err_plus":0.00145,"err_minus":0.00145,"band":"Johnson:B","method":"J/ApJ/686/749/table11","source":"vizier","reference":"J/ApJ/686/749/table11","ref_year":null},{"parameter":"sed_flux","value":0.00747,"value_text":null,"unit":"Jy","err_plus":0.00014,"err_minus":0.00014,"band":"Johnson:B","method":"J/ApJ/700/1097/table2","source":"vizier","reference":"J/ApJ/700/1097/table2","ref_year":null},{"parameter":"sed_flux","value":3.31e-05,"value_text":null,"unit":"Jy","err_plus":1.5e-06,"err_minus":1.5e-06,"band":"GALEX:FUV","method":"J/ApJ/812/31/table3","source":"vizier","reference":"J/ApJ/812/31/table3","ref_year":null},{"parameter":"sed_flux","value":0.00493,"value_text":null,"unit":"Jy","err_plus":0.00014,"err_minus":0.00014,"band":"Johnson:V","method":"J/AJ/112/2408/table4","source":"vizier","reference":"J/AJ/112/2408/table4","ref_year":null},{"parameter":"sed_flux","value":0.00461,"value_text":null,"unit":"Jy","err_plus":0.00013,"err_minus":0.00013,"band":"Johnson:B","method":"J/AJ/112/2408/table4","source":"vizier","reference":"J/AJ/112/2408/table4","ref_year":null},{"parameter":"sed_flux","value":0.00207,"value_text":null,"unit":"Jy","err_plus":6e-05,"err_minus":6e-05,"band":"Cousins:I","method":"J/AJ/112/2408/table4","source":"vizier","reference":"J/AJ/112/2408/table4","ref_year":null},{"parameter":"sed_flux","value":0.00396,"value_text":null,"unit":"Jy","err_plus":0.00011,"err_minus":0.00011,"band":"Cousins:R","method":"J/AJ/112/2408/table4","source":"vizier","reference":"J/AJ/112/2408/table4","ref_year":null},{"parameter":"sed_flux","value":6.35e-05,"value_text":null,"unit":"Jy","err_plus":3.09e-05,"err_minus":3.09e-05,"band":"POSS-II:i","method":"I/305/out","source":"vizier","reference":"I/305/out","ref_year":null},{"parameter":"spectral_type","value":null,"value_text":"SNIa","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2008yCat....1.2024B","ref_year":2008}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=SN 1991ag","fetched_at":"2026-10-07T14:10:44.648806+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=300.035875%20-55.367528&-c.rs=5","fetched_at":"2026-10-07T14:10:51.879239+00:00"}]}